Higher June 2019 Paper 2 Q12
12 A biased coin is thrown 250 times.
The relative frequency of Heads is worked out after every 50 throws.
| Total number of throws | 50 | 100 | 150 | 200 | 250 |
|---|---|---|---|---|---|
| Relative frequency | 0.4 | 0.29 | 0.4 | 0.32 | 0.3 |
Circle the best estimate of the probability of Heads. [1 mark]
- 0.3
- 0.32
- 0.342
- 0.4
| Answer | Mark | Comments |
|---|---|---|
| 0.3 | B1 |